Class II Cavity Preparation - Columbia University

. Examination instruments
Remove examination instruments from the sterilizing bag and place them on the
instrument organizer tray
c. Instrument organizer tray
Place on your instrument organizer tray the hand cutting instruments that you are
going to use for the particular cavity procedure and four spoon excavators. Close your
instrument cassette lid and put it aside
d. RA Bur caddy
Place on it ONLY the burs that you are going to use for the procedures- send your burs
for sterilizing with the bur caddy closed (Discard the high speed bur after one or two
cavity preparations; depending on the cavity size or procedure).
e. Rubber dam equipment*
i. Forceps
ii. Punch
iii. Frame
iv. Rubber dam (punched for the area that you are working)
v. Dental floss
vi. Appropriate clamp with a piece of floss attached
vii. Blunt tip scissors
viii. Water soluble lubricant
ix. Red compound, (bunsen burner and matches; if you are using 212 clamp – C
clamp)
*place your rubber dam equipment away from your working area after placement of the
rubber dam for later use.
f. Wedge carousel
i. Orange Wedges
ii. Natural
iii. Green
iv. Yellow
v. Blue
vi. Red
g. 3M pop on disk set (Sof-Lex) (polishing class 2 amalgam)
h. 3M Mandrel set (latch, F.G. and HP)
i. Surgical knife with new blade (eg. shaping wedges etc.)
j. Round bur box (with all burs included and in good condition)
k. Mixing pad and/or glass slab
l. Slow speed handpiece auxiliary heads (Friction grip, Latch and straight )
m. Bur cleaning brush
n. Dappen dish
o. Amalgam
Operative Dentistry: The Class II Cavity Preparation Page 2 of 3